There are 3 main species of Mulberry in cultivation in the UK, Morus Alba (White Mulberry), Morus Nigra (Black Mulberry) and Morus Rubra (Red Mulberry).
It is in flower in May, and the fruits ripen from July to August. The plant is self-fertile. Hardy to zone 5, but some Nigra cultivars are only hardy to zone 8.
The soft fruits can be variable to the taste, and there size can vary from quite small to over 7cm long. The fruit can be eaten raw, cooked or made into preserves.